public void setName(String value) {
        registerModifiedProperty("name");
        this.name = value;
    }

    public String getPager() {
        checkSpecifiedProperty("pager");
        return convertEmptyToNull(pager);
    }

    public void setPager(String value) {
        registerModifiedProperty("pager");
        this.pager = value;
    }

    public String getPassword() {

        setupEpg(_epgMap, et -> ((User) et).getName(), (et, vl) -> ((User) et).setName(DfTypeUtil.toString(vl)), "name");
        setupEpg(_epgMap, et -> ((User) et).getPager(), (et, vl) -> ((User) et).setPager(DfTypeUtil.toString(vl)), "pager");
        setupEpg(_epgMap, et -> ((User) et).getPassword(), (et, vl) -> ((User) et).setPassword(DfTypeUtil.toString(vl)), "password");

            this.closed = false;
        }

        boolean isAlive() {
            return resourceRef.get() != null && !closed;
        }

        long getAge() {
            return System.currentTimeMillis() - creationTime;
        }
    }

    private ResourceManager() {
        ThreadFactory threadFactory = r -> {

            result.setMail(DfTypeUtil.toString(source.get("mail")));
            result.setMobile(DfTypeUtil.toString(source.get("mobile")));
            result.setName(DfTypeUtil.toString(source.get("name")));
            result.setPager(DfTypeUtil.toString(source.get("pager")));
            result.setPassword(DfTypeUtil.toString(source.get("password")));
            result.setPhysicalDeliveryOfficeName(DfTypeUtil.toString(source.get("physicalDeliveryOfficeName")));